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99243700 = 2252992437
BaseRepresentation
bin1011110101001…
…01011010110100
320220202002202121
411322211122310
5200401244300
613503045324
72313362143
oct572453264
9226662677
1099243700
1151025296
12292a0844
131773a4aa
14d27575a
158aa581a
hex5ea56b4

99243700 has 18 divisors (see below), whose sum is σ = 215359046. Its totient is φ = 39697440.

The previous prime is 99243659. The next prime is 99243701. The reversal of 99243700 is 734299.

It can be written as a sum of positive squares in 3 ways, for example, as 599076 + 98644624 = 774^2 + 9932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99243701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 496119 + ... + 496318.

Almost surely, 299243700 is an apocalyptic number.

It is an amenable number.

99243700 is an abundant number, since it is smaller than the sum of its proper divisors (116115346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99243700 is a wasteful number, since it uses less digits than its factorization.

99243700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992451 (or 992444 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 99243700 is about 9962.1132296316. The cubic root of 99243700 is about 462.9857764244.

Adding to 99243700 its reverse (734299), we get a palindrome (99977999).

The spelling of 99243700 in words is "ninety-nine million, two hundred forty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 992437 1984874 3969748 4962185 9924370 19848740 24810925 49621850 99243700